Increase integration test timeout.

- 10 seconds is not always sufficient to start a container in CI.

Author: robdimsdale

init_test.go

@@ -25,6 +25,8 @@ func by(_ string, f func()) { f() }
 
 func TestAcceptance(t *testing.T) {
 	format.MaxLength = 0
+	SetDefaultEventuallyTimeout(30 * time.Second)
+
 	Expect := NewWithT(t).Expect
 
 	root, err := filepath.Abs(".")
@@ -36,8 +38,6 @@ func TestAcceptance(t *testing.T) {
 	stack.RunArchive = filepath.Join(root, "build", "run.oci")
 	stack.RunImageID = fmt.Sprintf("stack-run-%s", uuid.NewString())
 
-	SetDefaultEventuallyTimeout(10 * time.Second)
-
 	suite := spec.New("Acceptance", spec.Report(report.Terminal{}), spec.Parallel())
 	suite("Metadata", testMetadata)
 	suite("BuildpackIntegration", testBuildpackIntegration)